Kovalenko, K. L., N. N. Sharan, and V. V. Sevastyanov. “Nanostructure Composite Film for Sensor Controls of Humidity”. Technology and Design in Electronic Equipment, no. 5, Oct. 2009, pp. 49-50, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2009.5.49.